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![Run Mode
pdb.run(statement[, globals[, locals])
pdb.runeval(expression[globals[, locals])
pdb.runcall(function[, argument, ...])](https://image.slidesharecdn.com/python-pdb-meetup-bcn-120518072956-phpapp02/85/Introduction-to-the-Python-Debugger-pdb-6-320.jpg)
![Debugger commands
h(elp) [command]](https://image.slidesharecdn.com/python-pdb-meetup-bcn-120518072956-phpapp02/85/Introduction-to-the-Python-Debugger-pdb-10-320.jpg)
![Debugger commands
l(ist) [first[, last]]](https://image.slidesharecdn.com/python-pdb-meetup-bcn-120518072956-phpapp02/85/Introduction-to-the-Python-Debugger-pdb-18-320.jpg)
![Debugger commands
[!]statement](https://image.slidesharecdn.com/python-pdb-meetup-bcn-120518072956-phpapp02/85/Introduction-to-the-Python-Debugger-pdb-21-320.jpg)
Uploaded byRaul Cumplido
Introduction to the Python Debugger (pdb)
The document introduces the Python debugger (pdb) and describes how it can be used to invoke scripts, enter post mortem mode after an error occurs, run code in the debugger, and set breakpoints using trace mode. Key debugger commands are also outlined such as where, step, next, continue, list, and quit to control program flow and inspect variables when debugging Python code.
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Introduction to the Python Debugger (pdb)
- 1. Introduction to the Pythondebugger (pdb) @raulcumplido
- 2. Usages of pdb Invokedas a script Post Mortem Mode Run Mode Trace Mode
- 3. Invoked as ascript Only Python ~$ python -m pdb test.py 3.2+ ~$ python -m pdb –c continue test.py ~$ python -i test.py
- 4. Post Mortem Mode pdb.pm()
- 5. Post Mortem Mode >>>import pdb >>> import mymodule >>> mymodule.test() Traceback (most recent call last): File "<stdin>", line 1, in ? File "./mymodule.py", line 4, in test test2() File "./mymodule.py", line 3, in test2 print spam NameError: spam >>> pdb.pm() > ./mymodule.py(3)test2() > -> print spam (Pdb)
- 6. Run Mode pdb.run(statement[, globals[,locals]) pdb.runeval(expression[globals[, locals]) pdb.runcall(function[, argument, ...])
- 7. Run Mode >>> importpdb >>> import mymodule >>> pdb.run('mymodule.test()') > <string>(0)?() (Pdb) continue NameError: 'spam' > <string>(1)?() (Pdb)
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- 9. Debugger tips • Enteringa blank line repeats(except list) • Commands not recognized are executed – When exception nothing changes • Support for aliases
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- 23. Debug over thenetwork or to an existing process http://dev.man-online.org/man1/rpdb2/ http://code.activestate.com/recipes/576515/ http://stackoverflow.com/questions/4163964/p ython-is-it-possible-to-attach-a-console- into-a-running-process Attach to python using gdb $> gdb (gdb) attach (pid) Investigar si se puede hacer algo más con esto Working on github on RPDB
- 24. We’re hiring! Raúl Cumplido | @raulcumplido raul@catchoom.com | +34 627566095 catchoom.com | @catchoom